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Issue 6, 2000
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Systematic XPS studies of metal oxides, hydroxides and peroxides

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The results of a systematic XPS study, under high controlled conditions, of different basic oxides of transition metals, alkali and alkaline-earth metals are presented; the XPS data of some hydroxides and peroxides are also reported. Variations of the O 1s binding energies are analysed and one point of interest is the large binding energy scale obtained for O 1s peaks all associated with a ‘‘2− ’’ formal charge. Through extended Hückel theory-tight binding (EHT-TB) calculations, attempts are made to rationalize the observed variations. The results illustrate the significant differences between real charges on oxygen atoms in transition metal and alkaline-earth oxides.

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The article was received on 04 Nov 1999, accepted on 10 Jan 2000 and first published on 21 Feb 2000

Article type: Paper
DOI: 10.1039/A908800H
Citation: Phys. Chem. Chem. Phys., 2000,2, 1319-1324
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    Systematic XPS studies of metal oxides, hydroxides and peroxides

    J. Dupin, D. Gonbeau, P. Vinatier and A. Levasseur, Phys. Chem. Chem. Phys., 2000, 2, 1319
    DOI: 10.1039/A908800H

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